Crepicephalus
{{Italic title}}
{{Taxobox
| name = Crepicephalus
| fossil_range = Dresbachian{{cite journal
|last=Sepkoski
|first=Jack
|author-link=Jack Sepkoski
|title=A compendium of fossil marine animal genera (Trilobita entry)
|journal=Bulletins of American Paleontology
|volume=363
|pages=1–560
|year=2002
|url=http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class
|accessdate=2008-01-12
|url-status=dead
|archiveurl=https://web.archive.org/web/20060905162524/http://strata.ummp.lsa.umich.edu/jack/showgenera.php?taxon=307&rank=class
|archivedate=2006-09-05
}}
| regnum = Animalia
| phylum = Arthropoda
| classis = Trilobita
| ordo = Ptychopariida
| superfamilia = Crepicephalacea
| familia = Crepicephalidae
| genus = Crepicephalus
| genus_authority = Owen, 1852
| synonyms = Crepiceaphlus, Crepicepalus, Crepicocephalus, Sneedvillia
| subdivision_ranks = Species
| subdivision =
{{specieslist
|C. iowensis|(Owen, 1952) (type) = Dikelocephalus iowensis
}}
}}
Crepicephalus is an extinct genus from a well-known class of fossil marine arthropods, the trilobites. It lived from 501 to 490 million years ago during the Dresbachian faunal stage of the late Cambrian Period.
Reassigned species
Some species, previously described as Crepicephalus have since been moved to other genera.{{cite book|last= Moore|first= R.C.|year= 1959|title= Arthropoda I - Arthropoda General Features, Proarthropoda, Euarthropoda General Features, Trilobitomorpha|publisher= Geological Society of America/University of Kansas Press|series= Treatise on Invertebrate Paleontology|volume= Part O.|pages= O249–O250|location= Boulder, Colorado/Lawrence, Kansas|isbn= 0-8137-3015-5}}{{cite book|first= Allison R.|last= Palmer|author-link= Allison R. Palmer|year= 1954|chapter= An Appraisal of The Great Basin Trilobites described before 1900|title= Geological Survey Professional Paper|volume= 264-D|chapter-url= https://books.google.com/books?id=n-kqAQAAIAAJ&pg=RA3-PA73 }}
- C. angusta = Kochaspis angusta
- C. convexus = Crepicephalina convexa
- C. liliana = Kochaspis liliana
- C. nitidus = Dunderbergia nitida
- C. quadrans = Ehmaniella quadrans
- C. unca = Uncaspis unca
References
{{Reflist|30em}}
{{Taxonbar|from=Q5184237}}
Category:Extinct animals of North America
Category:Paleozoic life of Newfoundland and Labrador
Category:Paleozoic life of the Northwest Territories
Category:Paleozoic life of Yukon
{{Ptychopariida-stub}}